EP0527455B1 - Support for the exterior rear view mirror of a utility vehicle - Google Patents

Support for the exterior rear view mirror of a utility vehicle Download PDF

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Publication number
EP0527455B1
EP0527455B1 EP92113547A EP92113547A EP0527455B1 EP 0527455 B1 EP0527455 B1 EP 0527455B1 EP 92113547 A EP92113547 A EP 92113547A EP 92113547 A EP92113547 A EP 92113547A EP 0527455 B1 EP0527455 B1 EP 0527455B1
Authority
EP
European Patent Office
Prior art keywords
locking
support arm
holding device
pillow block
bolt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP92113547A
Other languages
German (de)
French (fr)
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EP0527455A1 (en
Inventor
Heinrich Lang
Wolfgang Seiboth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mekra Rangau Plastics GmbH and Co KG
Original Assignee
Mekra Rangau Plastics GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19914126523 external-priority patent/DE4126523A1/en
Application filed by Mekra Rangau Plastics GmbH and Co KG filed Critical Mekra Rangau Plastics GmbH and Co KG
Publication of EP0527455A1 publication Critical patent/EP0527455A1/en
Application granted granted Critical
Publication of EP0527455B1 publication Critical patent/EP0527455B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/02—Rear-view mirror arrangements
    • B60R1/06—Rear-view mirror arrangements mounted on vehicle exterior
    • B60R1/0605—Rear-view mirror arrangements mounted on vehicle exterior specially adapted for mounting on trucks, e.g. by C-shaped support means
    • B60R1/0617—Rear-view mirror arrangements mounted on vehicle exterior specially adapted for mounting on trucks, e.g. by C-shaped support means foldable along the vehicle, e.g. in case of external force applied thereon

Definitions

  • the invention relates to a holder for an outside mirror according to the preamble of claim 1.
  • Such a holder for an outside mirror is known from DE-B-22 39 853.
  • This holder has a holding arm which can be pivoted relative to the bearing block against a frictional torque and by releasing an elastic latching connection.
  • the latching connection comprises a latching projection and a latching recess which engage in one another and which are formed on a part which is fixed relative to the bearing block and a part which is displaceable relative to the bearing block in the direction of the pivot axis of the holding arm against the force of a compression spring.
  • a driver is rotatably connected, on which the displaceable part is rotatably but guided in the direction of the pivot axis.
  • the driver is a cross pin, which connects the displaceable part designed as an annular body in a rotationally fixed manner to the holding arm, the annular body being displaceable in the direction of the pivot axis.
  • the invention has for its object to develop the bracket according to the aforementioned document in such a way that the driver is structurally improved.
  • the measures according to the invention also ensure that the mirror can be pivoted when an obstacle is encountered by releasing the elastic latching connection. Swiveling back leads to the locking connection being closed again.
  • a friction connection is provided which has a high static friction, a high vibration resistance of the mirror is ensured.
  • the constructive solution is extremely simple.
  • FIG. 1 shows a rearview mirror, which is an exterior rearview mirror for a commercial vehicle.
  • This has a housing 1 in which a mirror pane 2 is held by means of a holding frame 3.
  • a double-arm holding arm 4 is attached to the housing 1 so that it can pivot about an axis 5 by means of a clamping piece 6.
  • the holding arm 4 is pivotally mounted on a bearing block 7, which in turn can be attached to the cab of the commercial vehicle. It rests with a contact surface 8 on the driver's cab, not shown, and is fastened there by means of screws which are screwed into threaded holes 9 of the bearing block 7.
  • the double-arm bracket 4 consists of an upper bracket 10 and a lower bracket 11, which are assigned to each other in pairs or facing. At their end facing the housing 1 they each have a pivot pin 12, 13 which are aligned with one another and are concentric with the axis 5 and which are held on the housing 1 by means of the clamping piece 6. At their ends attached to the bearing block 7, they are provided with joint parts 14, 15 which are attached to the bearing block 7 in a manner which can be described in more detail in a manner which can be pivoted about a pivot axis 16.
  • the pivot axis 16 and the axis 5 run parallel to one another, ie the two holding arms 10, 11 are located in a common plane that is spanned by the axis 5 and the pivot axis 16.
  • a holder according to the invention is shown in a first embodiment.
  • the bearing block 7 has a cylindrical inner space 17 which runs concentrically to the pivot axis 16 and which is closed off from the joint part 15 of the lower holding arm 11 by a wall section 18 of the bearing block 7. To the hinge part 14 of the upper holding arm 10, this interior is closed off by a locking disk 19 which is fixed axially towards an annular collar 20 on the interior 17 in the direction thereof and which is rotatably fixed relative to the pivot axis 16 by means of a tongue-and-groove connection 21 the bearing block 7 is connected.
  • the interior 17 is penetrated concentrically to the pivot axis 16 by a bolt 22 which is screwed into the joint part 14 of the upper holding arm 10 by means of a thread 41.
  • a head 42 of the bolt 22 opposite the thread 41 is supported by plate springs 43 against the joint part 15 of the lower holding arm 11, this joint part 15 also being penetrated by the bolt 22.
  • friction disks 26, 27 are arranged in each case, which provide for generating a sufficiently high frictional force between the holding arm 4 and the bearing block 7.
  • the amount of this frictional force depends on how far the bolt 22 with its thread 41 is screwed into the joint part 14, i.e. how much the plate springs 43 are tensioned. The level of the frictional force thus corresponds to the force with which the plate springs 43 are preloaded.
  • a prestressed helical compression spring 28 Arranged in the interior 17 is a prestressed helical compression spring 28 which surrounds the bolt 22 and is supported against the lower wall section 18 and which is supported against a latching sleeve 30, which in turn is freely displaceable in the interior 17 in the direction of the pivot axis 16. It is pressed firmly against the locking disk 19 due to the pretension of the compression spring 28.
  • the locking sleeve 30 has on its side adjacent to the locking disc 19 a locking recess 31 into which a locking projection 32 formed on the facing side of the locking disc 19 projects. 2, the projection 32 and the recess 31 have flanks 33, 34 which are strongly inclined relative to the direction of the pivot axis 16, so that when the locking sleeve 30 is rotated relative to the locking disc 19 about the pivot axis 16 the locking disc 19 and the locking sleeve 30 are pressed apart in the direction of the pivot axis 16.
  • a driver sleeve 44 which surrounds the bolt 22. At its end adjacent to the joint part 14, it has a flange 45, which on its upper side carries a feather key 46 which engages in an adapted groove 47 on the facing side of the joint part 14. This groove 47 passes through the joint part 14 radially to the pivot axis 16 in its entirety, so that it can be installed by pushing it in from the side.
  • the flange 45 also forms an abutment surface for the friction disk 26.
  • the flange 45 is followed by a cylindrical guide section 48 which is freely rotatable in a corresponding bore 49 in the locking disk 19 radially to the pivot axis 16.
  • the guide section 48 is followed by a non-circular driving section 50 passing through the latching sleeve 30, which in the present case is a square section, as can be seen in FIG. 3.
  • This driving section 50 is arranged in a cross-sectionally adapted recess 51 passing through the locking sleeve 30 in the direction of the axis 16, so that the driving sleeve 44 is non-rotatably connected to the locking sleeve 30, but the latter in the direction of the axis 16 is displaceable relative to the driving sleeve 44.
  • the driving section 50 of the driving sleeve 44 takes the locking sleeve 30 with it and rotates it relative to the locking disc 19, as a result of which the locking projection 32 comes out of the locking recess 31 is unscrewed over the flanks 33 or 34.
  • the locking sleeve 30 is then moved against the force of the helical compression spring 28 in the direction of the compression spring 28.
  • the holding arms 10, 11 are hollow, in particular the lower holding arm 11 is designed such that an electrical cable (not shown) can be guided through it, which is invisible into the housing 1 through the pivot pin 13 to the outside to be led.
  • a holder according to the invention is shown in a second embodiment, which does not differ significantly from the embodiment according to FIGS. 2 and 3. Functionally matching components of this holder are therefore identified by matching reference numerals, which are provided with an apostrophe to distinguish them.
  • a first difference lies in the arrangement of the bolt 22 'which penetrates the interior 17 of the bearing block 7 concentrically with the pivot axis 16.
  • the bolt 22 has an axial internal thread, into which a fastening screw is interposed with a washer 63 64 is screwed in.
  • the amount of frictional force between the holding arm 4 and the bearing block 7 is adjusted by means of the screwing-in torque of this fastening screw 64 by means of the friction disks 26, 27.
  • the driver sleeve 44 ' is also connected in a rotationally fixed manner to the bolt 22' via a pin 65 which penetrates these two components radially.
  • This driver sleeve 44 ' is designed to be shorter compared to the exemplary embodiment according to FIGS. 2 and 3 and is connected to the joint part 14' only indirectly via the bolt 22 '. Nevertheless, the rotationally fixed connection between the driving sleeve 44 'and the bolt 22' on the one hand and between the bolt 22 'and the hinge part 14' on the other hand provides a rotationally fixed connection between the hinge part 14 'and the driving sleeve 44'.
  • the driving sleeve 44 ' forms with its outer cross section along its entire length a driving section 50' for the locking sleeve 30 ', which is freely displaceable in the interior 17 of the bearing block 7 in the direction of the pivot axis 16.
  • the outer cross section of the driving section 50 'of the driving sleeve 44' and the inner cross section of the locking sleeve 30 ' are provided with a polygonal shape.
  • these cross sections are approximately square
  • in the exemplary embodiment according to FIGS. 4 and 5 they are approximately triangular in shape with rounded corner regions.
  • the embodiment according to FIGS. 4 and 5 has a latching sleeve 30 'which, on its side adjacent to the latching disk 19', has three in plan view evenly over the circumference thereof distributed annular recesses 31 'is provided, into which projecting locking projections 32' formed on the facing side of the locking disk 19 'protrude.
  • the driving section 50 'of the driving sleeve 44' takes the locking sleeve 30 'with it when the holding arm 4 is pivoted about the pivot axis 16 and rotates it the locking sleeve 30 'relative to the locking disc 19', whereby the locking projections 32 'are unscrewed from the locking recesses 31' over their flanks 33 'and 34'.
  • the locking sleeve 30 ' is then displaced in the direction of the compression spring against the force of the helical compression spring 28,
  • the locking disc 19 'analogous to the embodiment according to. 2 and 3 via a (not shown in Fig. 4 and 5) groove-key connection is rotatably connected to the bearing block 7 relative to the pivot axis 16.
  • the locking disk 19 'with its areas of its locking projections 32' projecting radially beyond the driver sleeve 44 ' is axially supported on the annular collar 20 on the interior 17 in the direction of the latter.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)

Description

Die Erfindung betrifft eine Halterung für einen Außenspiegel nach dem Oberbegriff des Anspruches 1.The invention relates to a holder for an outside mirror according to the preamble of claim 1.

Eine derartige Halterung für einen Außenspiegel ist aus der DE-B-22 39 853 bekannt. Diese Halterung weist einen Haltearm auf, der gegen ein Reibmoment und unter Lösen einer elastischen Rastverbindung gegenüber dem Lagerbock verschwenkbar ist. Die Rastverbindung umfaßt einen Rast-Vorsprung sowie eine Rast-Ausnehmung, die ineinandergreifen und die an einem gegenüber dem Lagerbock festen Teil sowie einem gegenüber dem Lagerbock in Richtung der Schwenkachse des Haltearmes gegen die Kraft einer Druckfeder verschiebbaren Teil ausgebildet sind. Mit dem Haltearm ist ein Mitnehmer drehfest verbunden, auf dem der verschiebbare Teil drehfest, aber in Richtung der Schwenkachse verschiebbar geführt ist. Bei dem Mitnehmer handelt es sich um einen Querstift, der den als Ringkörper ausgebildeten verschiebbaren Teil drehfest mit dem Haltearm verbindet, wobei der Ringkörper in Richtung der Schwenkachse verschiebbar ist.Such a holder for an outside mirror is known from DE-B-22 39 853. This holder has a holding arm which can be pivoted relative to the bearing block against a frictional torque and by releasing an elastic latching connection. The latching connection comprises a latching projection and a latching recess which engage in one another and which are formed on a part which is fixed relative to the bearing block and a part which is displaceable relative to the bearing block in the direction of the pivot axis of the holding arm against the force of a compression spring. With the holding arm a driver is rotatably connected, on which the displaceable part is rotatably but guided in the direction of the pivot axis. The driver is a cross pin, which connects the displaceable part designed as an annular body in a rotationally fixed manner to the holding arm, the annular body being displaceable in the direction of the pivot axis.

Der Erfindung liegt die Aufgabe zugrunde, die Halterung nach der vorgenannten Druckschrift dahingehend weiterzubilden, daß der Mitnehmer konstruktiv verbessert ist.The invention has for its object to develop the bracket according to the aforementioned document in such a way that the driver is structurally improved.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale im Kennzeichnungsteil des Anspruches 1 gelöst. Durch die erfindungsgemäßen Maßnahmen wird weiterhin erreicht, daß der Spiegel bei Auftreten auf ein Hindernis unter Lösen der elastischen Rastverbindung verschwenkt werden kann. Ein Rückschwenken führt dazu, daß die Rastverbindung wieder geschlossen wird. Dadurch daß zusätzlich zu der Rastverbindung eine Reibverbindung vorgesehen ist, die eine hohe Haftreibung aufweist, ist eine hohe Vibrationsfestigkeit des Spiegels sichergestellt. Die konstruktive Lösung außerordentlich einfach.This object is achieved by the features in the characterizing part of claim 1. The measures according to the invention also ensure that the mirror can be pivoted when an obstacle is encountered by releasing the elastic latching connection. Swiveling back leads to the locking connection being closed again. The fact that in addition to the locking connection a friction connection is provided which has a high static friction, a high vibration resistance of the mirror is ensured. The constructive solution is extremely simple.

Die Unteransprüche geben vorteilhafte Weiterbildungen der Erfindung wieder.The subclaims represent advantageous developments of the invention.

Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels anhand der Zeichnung. Es zeigt

Fig. 1
eine Draufsicht auf einen Spiegel mit Haltearm und Lagerbock,
Fig. 2
einen Teil-Schnitt durch den Haltearm und den Lagerbock einer ersten Haltungsausführung
Fig. 3
einen Querschnitt durch den Lagerbock entsprechend der Schnittlinie III-III in Fig. 2,
Fig. 4
einen Teilquerschnitt durch den Haltearm und den Lagerbock einer zweiten Halterungsausführung und
Fig. 5
einen Querschnitt durch den Lagerbock entsprechend der Schnittlinie V-V in Fig. 4.
Further advantages, features and details of the invention result from the following description of an exemplary embodiment with reference to the drawing. It shows
Fig. 1
a plan view of a mirror with arm and bracket,
Fig. 2
a partial section through the bracket and the bracket of a first posture
Fig. 3
3 shows a cross section through the bearing block according to section line III-III in FIG. 2,
Fig. 4
a partial cross section through the bracket and the bracket of a second bracket design and
Fig. 5
3 shows a cross section through the bearing block according to the section line VV in FIG. 4.

In Fig. 1 ist ein Rückblickspiegel dargestellt, bei dem es sich um einen Außen-Rückblickspiegel für ein Nutzfahrzeug handelt. Dieser weist ein Gehäuse 1 auf, in dem eine Spiegelscheibe 2 mittels eines Halterahmens 3 gehalten ist. Am Gehäuse 1 ist ein doppelarmiger Haltearm 4 um eine Achse 5 schwenkbar mittels eines Klemmstücks 6 angebracht.1 shows a rearview mirror, which is an exterior rearview mirror for a commercial vehicle. This has a housing 1 in which a mirror pane 2 is held by means of a holding frame 3. A double-arm holding arm 4 is attached to the housing 1 so that it can pivot about an axis 5 by means of a clamping piece 6.

An seinem anderen Ende ist der Haltearm 4 an einem Lagerbock 7 schwenkbar angebracht, der wiederum am Führerhaus des Nutzfahrzeuges anbringbar ist. Er liegt mit einer Anlagefläche 8 an dem nicht dargestellten Führerhaus an und wird dort mittels Schrauben befestigt, die in Gewindelöcher 9 des Lagerbocks 7 eingeschraubt werden.At its other end, the holding arm 4 is pivotally mounted on a bearing block 7, which in turn can be attached to the cab of the commercial vehicle. It rests with a contact surface 8 on the driver's cab, not shown, and is fastened there by means of screws which are screwed into threaded holes 9 of the bearing block 7.

Der doppelarmige Haltearm 4 besteht aus einem oberen Haltearm 10 und einem unteren Haltearm 11, die einander paarweise zugeordnet bzw. zugewandt sind. An ihrem dem Gehäuse 1 zugewandten Ende weisen sie jeweils einen Schwenkzapfen 12,13 auf, die miteinander fluchten und zur Achse 5 konzentrisch sind und die mittels des Klemmstücks 6 am Gehäuse 1 gehalten werden. An ihren am Lagerbock 7 angebrachten Enden sind sie mit Gelenkteilen 14,15 versehen, die am Lagerbock 7 in noch genauer zu beschreibender Weise um eine Schwenkachse 16 schwenkbar angebracht sind. Die Schwenkachse 16 und die Achse 5 verlaufen parallel zueinander, d.h. die beiden Haltearme 10,11 befinden sich in einer gemeinsamen Ebene, die durch die Achse 5 und die Schwenkachse 16 aufgespannt wird.The double-arm bracket 4 consists of an upper bracket 10 and a lower bracket 11, which are assigned to each other in pairs or facing. At their end facing the housing 1 they each have a pivot pin 12, 13 which are aligned with one another and are concentric with the axis 5 and which are held on the housing 1 by means of the clamping piece 6. At their ends attached to the bearing block 7, they are provided with joint parts 14, 15 which are attached to the bearing block 7 in a manner which can be described in more detail in a manner which can be pivoted about a pivot axis 16. The pivot axis 16 and the axis 5 run parallel to one another, ie the two holding arms 10, 11 are located in a common plane that is spanned by the axis 5 and the pivot axis 16.

In den Fig. 2 und 3 ist eine erfindungsgemäße Halterung in einer ersten Ausführungsform dargestellt.2 and 3, a holder according to the invention is shown in a first embodiment.

Der Lagerbock 7 weist einen konzentrisch zur Schwenkachse 16 verlaufenden zylindrischen Innenraum 17 auf, der zum Gelenkteil 15 des unteren Haltearms 11 durch einen Wandabschnitt 18 des Lagerbocks 7 abgeschlossen ist. Zum Gelenkteil 14 des oberen Haltearms 10 ist dieser Innenraum durch eine Rast-Scheibe 19 abgeschlossen, die gegen einen Ringbund 20 am Innenraum 17 axial in Richtung auf diesen hin festgelegt ist und die mittels einer Nut-Paßfeder-Verbindung 21 relativ zur Schwenkachse 16 drehfest mit dem Lagerbock 7 verbunden ist. Der Innenraum 17 wird konzentrisch zur Schwenkachse 16 von einem Bolzen 22 durchsetzt, der mittels eines Gewindes 41 in das Gelenkteil 14 des oberen Haltearms 10 geschraubt ist. Ein dem Gewinde 41 entgegengesetzter Kopf 42 des Bolzens 22 stützt sich über Teller-Federn 43 gegen den Gelenkteil 15 des unteren Haltearms 11 ab, wobei dieser Gelenkteil 15 ebenfalls vom Bolzen 22 durchsetzt wird.The bearing block 7 has a cylindrical inner space 17 which runs concentrically to the pivot axis 16 and which is closed off from the joint part 15 of the lower holding arm 11 by a wall section 18 of the bearing block 7. To the hinge part 14 of the upper holding arm 10, this interior is closed off by a locking disk 19 which is fixed axially towards an annular collar 20 on the interior 17 in the direction thereof and which is rotatably fixed relative to the pivot axis 16 by means of a tongue-and-groove connection 21 the bearing block 7 is connected. The interior 17 is penetrated concentrically to the pivot axis 16 by a bolt 22 which is screwed into the joint part 14 of the upper holding arm 10 by means of a thread 41. A head 42 of the bolt 22 opposite the thread 41 is supported by plate springs 43 against the joint part 15 of the lower holding arm 11, this joint part 15 also being penetrated by the bolt 22.

Zwischen dem Gelenkteil 14 und der Rast-Scheibe 19 einerseits und zwischen dem Wandabschnitt 18 und dem unteren Gelenkteil 15 andererseits sind jeweils Reib-Scheiben 26,27 angeordnet, die zur Erzeugung einer ausreichend hohen Reibungskraft zwischen dem Haltearm 4 und dem Lagerbock 7 sorgen. Die Höhe dieser Reibungskraft hängt davon ab, wie weit der Bolzen 22 mit seinem Gewinde 41 in den Gelenkteil 14 eingeschraubt wird, d.h. wie stark die Teller-Federn 43 verspannt werden. Die Höhe der Reibungskraft entspricht also der Kraft, mit der die Teller-Federn 43 vorgespannt sind.Between the joint part 14 and the locking disk 19 on the one hand and between the wall section 18 and the lower joint part 15 on the other hand, friction disks 26, 27 are arranged in each case, which provide for generating a sufficiently high frictional force between the holding arm 4 and the bearing block 7. The amount of this frictional force depends on how far the bolt 22 with its thread 41 is screwed into the joint part 14, i.e. how much the plate springs 43 are tensioned. The level of the frictional force thus corresponds to the force with which the plate springs 43 are preloaded.

Im Innenraum 17 ist eine den Bolzen 22 umgebende, sich gegen den unteren Wandabschnitt 18 abstützende vorgespannte Schrauben-Druckfeder 28 angeordnet, die sich gegen eine Rast-Hülse 30 abstützt, welche wiederum im Innenraum 17 in Richtung der Schwenkachse 16 frei verschiebbar ist. Sie wird aufgrund der Vorspannung der Druckfeder 28 fest gegen die Rast-Scheibe 19 gedrückt.Arranged in the interior 17 is a prestressed helical compression spring 28 which surrounds the bolt 22 and is supported against the lower wall section 18 and which is supported against a latching sleeve 30, which in turn is freely displaceable in the interior 17 in the direction of the pivot axis 16. It is pressed firmly against the locking disk 19 due to the pretension of the compression spring 28.

Die Rast-Hülse 30 weist an ihrer der Rast-Scheibe 19 benachbarten Seite eine Rast-Ausnehmung 31 auf, in die ein an der zugewandten Seite der Rast-Scheibe 19 ausgebildeter Rast-Vorsprung 32 hineinragt. Der Vorsprung 32 und die Ausnehmung 31 weisen - wie Fig. 2 erkennen läßt - relativ zur Richtung der Schwenkachse 16 stark geneigte Flanken 33,34 auf, so daß bei einer Verdrehung der Rast-Hülse 30 gegenüber der Rast-Scheibe 19 um die Schwenkachse 16 die Rast-Scheibe 19 und die Rast-Hülse 30 in Richtung der Schwenkachse 16 auseinandergedrückt werden.The locking sleeve 30 has on its side adjacent to the locking disc 19 a locking recess 31 into which a locking projection 32 formed on the facing side of the locking disc 19 projects. 2, the projection 32 and the recess 31 have flanks 33, 34 which are strongly inclined relative to the direction of the pivot axis 16, so that when the locking sleeve 30 is rotated relative to the locking disc 19 about the pivot axis 16 the locking disc 19 and the locking sleeve 30 are pressed apart in the direction of the pivot axis 16.

Um eine solche Verdrehung zu ermöglichen, ist eine Mitnehmer-Hülse 44 vorgesehen, die den Bolzen 22 umgibt. Sie weist an ihrer dem Gelenkteil 14 benachbarten Ende einen Flansch 45 auf, der an seiner Oberseite eine Paßfeder 46 trägt, die in eine angepaßte Nut 47 an der zugewandten Seite des Gelenkteils 14 eingreift. Diese Nut 47 durchsetzt den Gelenkteil 14 radial zur Schwenkachse 16 in vollem Umfang, so daß eine Montage durch seitliches Einschieben erfolgen kann. Der Flansch 45 bildet auch eine Anlagefläche für die Reibscheibe 26. An den Flansch 45 schließt sich ein zylindrischer Führungsabschnitt 48 an, der in einer entsprechenden Bohrung 49 in der Rast-Scheibe 19 radial zur Schwenkachse 16 frei drehbar geführt ist.In order to enable such a rotation, a driver sleeve 44 is provided which surrounds the bolt 22. At its end adjacent to the joint part 14, it has a flange 45, which on its upper side carries a feather key 46 which engages in an adapted groove 47 on the facing side of the joint part 14. This groove 47 passes through the joint part 14 radially to the pivot axis 16 in its entirety, so that it can be installed by pushing it in from the side. The flange 45 also forms an abutment surface for the friction disk 26. The flange 45 is followed by a cylindrical guide section 48 which is freely rotatable in a corresponding bore 49 in the locking disk 19 radially to the pivot axis 16.

An den Führungsabschnitt 48 schließt sich ein die Rast-Hülse 30 durchsetzender unrunder Mitnahme-Abschnitt 50 an, bei dem es sich im vorliegenden Fall um einen Vierkant-Abschnitt handelt, wie Fig. 3 entnehmbar ist. Dieser Mitnahme-Abschnitt 50 ist in einer im Querschnitt angepaßten, die Rast-Hülse 30 in Richtung der Achse 16 durchsetzenden Ausnehmung 51 angeordnet, so daß die Mitnehmer-Hülse 44 drehfest mit der Rast-Hülse 30 verbunden ist, letztere aber in Richtung der Achse 16 gegenüber der Mitnehmer-Hülse 44 verschiebbar ist. Wenn der Haltearm 4 um die Schwenkachse 16 verschwenkt wird, dann nimmt der Mitnahme-Abschnitt 50 der Mitnehmer-Hülse 44 die Rast-Hülse 30 mit und verdreht diese relativ zur Rast-Scheibe 19, wodurch der Rast-Vorsprung 32 aus der Rast-Ausnehmung 31 über die Flanken 33 oder 34 herausgedreht wird. Hierbei wird dann die Rast-Hülse 30 gegen die Kraft der Schrauben-Druckfeder 28 in Richtung zur Druckfeder 28 hin verschoben.The guide section 48 is followed by a non-circular driving section 50 passing through the latching sleeve 30, which in the present case is a square section, as can be seen in FIG. 3. This driving section 50 is arranged in a cross-sectionally adapted recess 51 passing through the locking sleeve 30 in the direction of the axis 16, so that the driving sleeve 44 is non-rotatably connected to the locking sleeve 30, but the latter in the direction of the axis 16 is displaceable relative to the driving sleeve 44. When the holding arm 4 is pivoted about the pivot axis 16, the driving section 50 of the driving sleeve 44 takes the locking sleeve 30 with it and rotates it relative to the locking disc 19, as a result of which the locking projection 32 comes out of the locking recess 31 is unscrewed over the flanks 33 or 34. Here, the locking sleeve 30 is then moved against the force of the helical compression spring 28 in the direction of the compression spring 28.

Bei einer solchen Verdrehung ist weiterhin eine an den Reib-Scheiben 26, 27 wirkende Kraft zu überwinden, wobei diese Kraft - wie dargelegt - in weiten Bereichen einstellbar ist. Durch die Einstellbarkeit der Haftreibung der Reib-Scheiben 26, 27 ist eine hohe Vibrationsstabilität des Spiegels gegeben.With such a rotation, a force acting on the friction disks 26, 27 must also be overcome, and this force - as explained - can be set within a wide range. The adjustability of the static friction of the friction disks 26, 27 ensures a high level of vibration stability of the mirror.

Nach Überwinden dieser Haftreibung ist dagegen ein relativ leichtes Wegklappen um die Schwenkachse 16 möglich.After overcoming this static friction, however, a relatively easy folding away about the pivot axis 16 is possible.

Wie Fig. 2 entnehmbar ist, sind die Haltearme 10,11 hohl ausgebildet, wobei insbesondere der untere Haltearm 11 so ausgebildet ist, daß durch ihn ein nicht dargestelltes elektrisches Kabel geführt werden kann, das durch den Schwenkzapfen 13 nach außen unsichtbar in das Gehäuse 1 geführt wird.As can be seen in FIG. 2, the holding arms 10, 11 are hollow, in particular the lower holding arm 11 is designed such that an electrical cable (not shown) can be guided through it, which is invisible into the housing 1 through the pivot pin 13 to the outside to be led.

In den Fig. 4 und 5 ist eine erfindungsgemäße Halterung in einer zweiten Ausführungsform dargestellt, die sich von der Ausführungsform gemaß den Fig. 2 und 3 nicht wesentlich unterscheidet. Funktional übereinstimmende Bauteile dieser Halterung sind daher mit übereinstimmenden Bezugsziffern gekennzeichnet, die zur Unterscheidung mit einem Apostroph versehen sind.4 and 5, a holder according to the invention is shown in a second embodiment, which does not differ significantly from the embodiment according to FIGS. 2 and 3. Functionally matching components of this holder are therefore identified by matching reference numerals, which are provided with an apostrophe to distinguish them.

Zur Vermeidung von Wiederholungen werden im folgenden nur die Unterschiede der in den Fig. 4 und 5 gezeigten Ausführungsform gegenüber der Ausführungsform nach den Fig. 2 und 3 näher erläutert. Ansonsten kann auf die Beschreibung der letztgenannten Figuren zurückgegriffen werden.To avoid repetitions, only the differences between the embodiment shown in FIGS. 4 and 5 compared to the embodiment according to FIGS. 2 and 3 are explained in more detail below. Otherwise, the description of the latter figures can be used.

Ein erster Unterschied besteht in der Anordnung des Bolzens 22', der den Innenraum 17 des Lagerbockes 7 konzentrisch zur Schwenkachse 16 durchsetzt. Der Bolzen 22' sitzt mit seinem bezüglich Fig. 4 oberen Ende unter Preßsitz in einer entsprechenden Ausnehmung 60 im Gelenkteil 14' des oberen Haltearms 10. Er ist dort durch einen radial durchgehenden Stift 61 gegen eine Verdrehung gegenüber dem Gelenkteil 14' gesichert.A first difference lies in the arrangement of the bolt 22 'which penetrates the interior 17 of the bearing block 7 concentrically with the pivot axis 16. The bolt 22 'sits with its upper end with respect to FIG. 4 under a press fit in a corresponding recess 60 in the joint part 14' of the upper holding arm 10. It is secured there against rotation relative to the joint part 14 'by a radially continuous pin 61.

Am entgegengesetzten Ende weist der Bolzen 22' ein axiales Innengewinde auf, in das unter Zwischenlage einer Beilagscheibe 63 eine Befestigungsschraube 64 eingeschraubt ist. Durch das Einschraubmoment dieser Befestigungsschraube 64 wird die Höhe der Reibungskraft zwischen dem Haltearm 4 und dem Lagerbock 7 unter Vermittlung der Reibscheiben 26,27 eingestellt.At the opposite end, the bolt 22 'has an axial internal thread, into which a fastening screw is interposed with a washer 63 64 is screwed in. The amount of frictional force between the holding arm 4 and the bearing block 7 is adjusted by means of the screwing-in torque of this fastening screw 64 by means of the friction disks 26, 27.

Mit dem Bolzen 22' ist weiterhin die Mitnehmerhülse 44' über einen diese beiden Bauteile radial durchsetzenden Stift 65 drehfest verbunden. Diese Mitnehmerhülse 44' ist verglichen zum Ausführungsbeispiel gemäß den Fig. 2 und 3 kürzer ausgestaltet und steht mit dem Gelenkteil 14' lediglich mittelbar über den Bolzen 22' in Verbindung. Gleichwohl ist durch die drehfeste Verbindung zwischen der Mitnehmerhülse 44' und dem Bolzen 22' einerseits und zwischen dem Bolzen 22' und dem Gelenkteil 14' andererseits eine drehfeste Verbindung zwischen dem Gelenkteil 14' und der Mitnehmerhülse 44' gegeben.The driver sleeve 44 'is also connected in a rotationally fixed manner to the bolt 22' via a pin 65 which penetrates these two components radially. This driver sleeve 44 'is designed to be shorter compared to the exemplary embodiment according to FIGS. 2 and 3 and is connected to the joint part 14' only indirectly via the bolt 22 '. Nevertheless, the rotationally fixed connection between the driving sleeve 44 'and the bolt 22' on the one hand and between the bolt 22 'and the hinge part 14' on the other hand provides a rotationally fixed connection between the hinge part 14 'and the driving sleeve 44'.

Die Mitnehmerhülse 44' bildet mit ihrem Außenquerschnitt auf ihrer gesamten Länge einen Mitnahme-Abschnitt 50' für die Rast-Hülse 30', die im Innenraum 17 des Lagerbocks 7 in Richtung der Schwenkachse 16 frei verschiebbar ist. Dazu sind der Außenquerschnitt des Mitnahme-Abschnitts 50' der Mitnehmerhülse 44' und der Innenquerschnitt der Rast-Hülse 30' mit einer polygomzugförmigen Gestalt versehen. Im Gegensatz zum Ausführungsbeispiel nach den Fig. 2 und 3, wo diese Querschnitte etwa quadratisch ausgebildet sind, sind diese im Ausführungsbeispiel gemäß den Fig. 4 und 5 etwa dreieckförmig mit abgerundeten Eckbereichen ausgestaltet.The driving sleeve 44 'forms with its outer cross section along its entire length a driving section 50' for the locking sleeve 30 ', which is freely displaceable in the interior 17 of the bearing block 7 in the direction of the pivot axis 16. For this purpose, the outer cross section of the driving section 50 'of the driving sleeve 44' and the inner cross section of the locking sleeve 30 'are provided with a polygonal shape. In contrast to the exemplary embodiment according to FIGS. 2 and 3, where these cross sections are approximately square, in the exemplary embodiment according to FIGS. 4 and 5 they are approximately triangular in shape with rounded corner regions.

Als weiterer Unterschied zum Ausführungsbeispiel nach den Fig. 2 und 3 weist die Ausführungsform gemäß den Fig. 4 und 5 eine Rast-Hülse 30' auf, die an ihrer der Rast-Scheibe 19' benachbarten Seite mit drei gleichmäßig über den Umfang dieser in Draufsicht etwa ringförmig ausgestalteten Seite verteilten Rast-Ausnehmungen 31' versehen ist, in die jeweils an der zugewandten Seite der Rast-Scheibe 19' ausgebildete Rast-Vorsprünge 32' hineinragen.As a further difference from the exemplary embodiment according to FIGS. 2 and 3, the embodiment according to FIGS. 4 and 5 has a latching sleeve 30 'which, on its side adjacent to the latching disk 19', has three in plan view evenly over the circumference thereof distributed annular recesses 31 'is provided, into which projecting locking projections 32' formed on the facing side of the locking disk 19 'protrude.

Analog dem Ausführungsbeispiel nach den Fig. 2 und 3 nimmt der Mitnahme-Abschnitt 50' der Mitnehmer-Hülse 44' die Rast-Hülse 30' bei einer Verschwenkung des Haltearms 4 um die Schwenkachse 16 mit und verdreht die Rast-Hülse 30' relativ zur Rast-Scheibe 19', wodurch die Rast-Vorsprünge 32' aus den Rast-Ausnehmungen 31' über deren Flanken 33' bzw. 34' herausgedreht werden. Hierbei wird dann analog die Rast-Hülse 30' gegen die Kraft der Schrauben-Druckfeder 28 in Richtung zur Druckfeder hin verschoben,Analogous to the exemplary embodiment according to FIGS. 2 and 3, the driving section 50 'of the driving sleeve 44' takes the locking sleeve 30 'with it when the holding arm 4 is pivoted about the pivot axis 16 and rotates it the locking sleeve 30 'relative to the locking disc 19', whereby the locking projections 32 'are unscrewed from the locking recesses 31' over their flanks 33 'and 34'. In this case, the locking sleeve 30 'is then displaced in the direction of the compression spring against the force of the helical compression spring 28,

Im übrigen ist darauf hinzuweisen, daß die Rast-Scheibe 19' analog dem Ausführungsbeispiel gem. den Fig. 2 und 3 über eine (in Fig. 4 und 5 nicht dargestellte) Nut-Paßfeder-Verbindung relativ zur Schwenkachse 16 drehfest mit dem Lagerbock 7 verbunden ist. Darüberhinaus stützt sich die Rast-Scheibe 19' mit ihren radial über die Mitnehmer-Hülse 44' hinausstehenden Bereichen ihrer Rast-Vorsprünge 32' auf dem Ringbund 20 am Innenraum 17 axial in Richtung auf diesen hin ab.It should also be noted that the locking disc 19 'analogous to the embodiment according to. 2 and 3 via a (not shown in Fig. 4 and 5) groove-key connection is rotatably connected to the bearing block 7 relative to the pivot axis 16. In addition, the locking disk 19 'with its areas of its locking projections 32' projecting radially beyond the driver sleeve 44 'is axially supported on the annular collar 20 on the interior 17 in the direction of the latter.

Abschließend wird daraufhingewiesen, daß in den Fig. 4 und 5 Anlageflächen zur Anbringung des Lagerbocks 7 an einem Führerhaus eines Nutzfahrzeuges der Einfachheit halber weggelassen wurden.Finally, it is pointed out that, in FIGS. 4 and 5, contact surfaces for attaching the bearing block 7 to a driver's cab of a commercial vehicle have been omitted for the sake of simplicity.

Claims (10)

  1. A holding device for an external rear-view mirror for a commercial vehicle with a support arm (4), of which one end is connectable with a mirror and of which the other end is arranged on a pillow block (7), which is connectable with the commercial vehicle, in a manner pivotable about a pivot axis (16), wherein the support arm (4) is pivotable against a friction moment relative to the pillow block (7) upon release of an elastic locking connection, which locking connection comprises a locking nose (32, 32') and a locking recess (31, 31') engaging with one another and formed on a component part (19, 19') stationary relative to the pillow block (7) and on a component part (30, 30') displaceable relative to the pillow block (7) in the direction of the pivot axis (16) against the force of a compression spring (28), and wherein a driver is non-rotatably connected with the support arm (4), the displaceable component part (30, 30') being guided on the driver non-rotatably but displaceably in the direction of the pivot axis (16), characterized in that the driver is in the form of a driver sleeve (44, 44') non-rotatably connected with the support arm (4) by means of a plug connection (46, 47 and 61, 65 respectively).
  2. A holding device according to claim 1, characterized in that the component part displaceable in the direction of the pivot axis (16) is in the form of a locking sleeve (30, 30') non-rotatably guided on a driving section (50, 50') of the driver sleeve (44, 44').
  3. A holding device according to claim 1 or 2, characterized in that the support arm (4) is connected with the pillow block (7) by means of a bolt (22, 22'), which passes through the driver sleeve (44, 44').
  4. A holding device according to one of claims 1 through 3, characterized in that at least one friction disk (26 and 27, respectively) is arranged between the support arm (4) and the pillow block (7).
  5. A holding device according to claim 3, characterized in that the friction moment between the support arm (4) and the pillow block (7) is adjustable by means of the bolt (22).
  6. A holding device according to claim 2, characterized in that both the outer cross-section of the driving section (50, 50') of the driver sleeve (44, 44') and the inner cross-section of the locking sleeve (30, 30') are polygonal in shape, one corresponding to the other.
  7. A holding device according to claim 3, characterized in that the driver sleeve (44') is connected non-rotatably with the bolt (22'), and the latter is connected non-rotatably with the support arm (4).
  8. A holding device according to claim 7, characterized in that the non-rotatable connections between the driver sleeve (44') and the bolt (22') on the one hand and the bolt (22') and the support arm (4) on the other hand are formed by pins (61, 65).
  9. A holding device according to claim 3 or 4, characterized in that the support arm (4) is in the form of a double-armed support arm, surrounding the pillow block (7) with joints (14', 15'), in that one end of the bolt (22') is non-rotatably connected with a joint (14'), in particular by means of a pin (61), and in that the other joint (15') is braced relative to the pillow block (7) by means of a screw (64) being screwed into the other end of the bolt (22').
  10. A holding device according to claim 2, characterized in that the locking sleeve (30') on the one hand and the part of the locking connection (19') that is stationary relative to the pillow block (7) on the other hand are provided with a plurality of locking noses (32') and locking recesses (31'), respectively, engaging with one another.
EP92113547A 1991-08-10 1992-08-08 Support for the exterior rear view mirror of a utility vehicle Expired - Lifetime EP0527455B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19914126523 DE4126523A1 (en) 1990-03-29 1991-08-10 Mounting for mirror on goods vehicle - uses positive resistance joint to adjust mirror settings
DE4126523 1991-08-10

Publications (2)

Publication Number Publication Date
EP0527455A1 EP0527455A1 (en) 1993-02-17
EP0527455B1 true EP0527455B1 (en) 1996-03-13

Family

ID=6438081

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92113547A Expired - Lifetime EP0527455B1 (en) 1991-08-10 1992-08-08 Support for the exterior rear view mirror of a utility vehicle

Country Status (2)

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EP (1) EP0527455B1 (en)
DE (1) DE59205657D1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1886873A1 (en) 2006-08-09 2008-02-13 MEKRA Lang GmbH & Co. KG Retention hinge connection and exterior rear view mirror with such a retention hinge
WO2010028698A1 (en) 2008-09-11 2010-03-18 Mekra Lang Gmbh & Co. Kg. Retention hinge component, in particular for maintaining an external rearview mirror of a utility vehicle and external rearview mirror for a utility vehicle comprising said type of retention hinge component

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Publication number Priority date Publication date Assignee Title
ES2080645B1 (en) * 1993-04-20 1996-11-16 Fico Mirrors Sa FIXING DEVICE FOR FOLDING EXTERIOR MIRRORS OF AUTOMOBILE VEHICLES.
DE4429603A1 (en) * 1994-08-20 1996-02-22 Mekra Rangau Plastics Holder for an outside mirror of a commercial vehicle
DE19748626A1 (en) * 1997-11-04 1999-05-06 Mekra Lang Gmbh & Co Kg Support arm for a motor vehicle exterior mirror with integrated swivel joint
EP1103419A1 (en) 1999-11-23 2001-05-30 MEKRA Lang GmbH & Co. KG Exterior mirror for motor vehicle
JP4123056B2 (en) * 2003-05-26 2008-07-23 市光工業株式会社 Manual mirror device
GB2474435B (en) * 2009-10-13 2015-11-25 Ashtree Vision & Safety Ltd A mirror arm assembly
WO2014181265A1 (en) 2013-05-08 2014-11-13 Smr Patents S.A.R.L. A pivot mechanism for a vehicle external rear view mirror assembly
CN105377630B (en) * 2013-06-26 2018-08-28 梅克拉-朗两合公司 Rotary joint system for being rotatablely connected the first and second articulated jibs and the mirror support and speculum for being equipped with the rotary joint system
DE102013212339B3 (en) * 2013-06-26 2014-11-06 Mekra Lang Gmbh & Co. Kg Hinge device for pivotally connecting a first with a second articulated arm, and mirror mount and mirror with such a hinge device
US11235704B2 (en) * 2019-08-13 2022-02-01 Motherson Innovations Company Limited Rearview device with detent assembly

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GB980585A (en) * 1962-07-26 1965-01-13 Denis James Battersby Improvements in mountings for rear view mirrors for vehicles
DE2239853C3 (en) * 1972-08-12 1978-06-22 Reitter & Schefenacker Kg, 7300 Esslingen Holding device for exterior rearview mirrors of motor vehicles or the like

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1886873A1 (en) 2006-08-09 2008-02-13 MEKRA Lang GmbH & Co. KG Retention hinge connection and exterior rear view mirror with such a retention hinge
DE102006037218B4 (en) * 2006-08-09 2008-11-13 Mekra Lang Gmbh & Co. Kg Locking joint and outside mirror with such a locking joint
US7735196B2 (en) 2006-08-09 2010-06-15 Lang-Mekra North America, Llc Retention hinge connection for use with an exterior rear view mirror
WO2010028698A1 (en) 2008-09-11 2010-03-18 Mekra Lang Gmbh & Co. Kg. Retention hinge component, in particular for maintaining an external rearview mirror of a utility vehicle and external rearview mirror for a utility vehicle comprising said type of retention hinge component
DE102008046794A1 (en) 2008-09-11 2010-03-25 Mekra Lang Gmbh & Co. Kg Rastgelenkbauteil, in particular for a holder of an exterior mirror for commercial vehicles and an exterior mirror for commercial vehicles with such a locking joint component

Also Published As

Publication number Publication date
EP0527455A1 (en) 1993-02-17
DE59205657D1 (en) 1996-04-18

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